National Instruments NI cDAQ-9139 User Manual page 122

Appendix A Controller Operating System and Configuration
Video Configuration Submenu
Use this submenu to apply alternate settings to the video configuration. Normally, you do not
need to modify these settings, as the factory default settings provide the most compatible and
optimal configuration possible.
• Primary Display—This setting specifies which video adapter the BIOS uses as the
primary adapter if more than one adapter is present. To use an external video adapter as the
primary graphics adapter, choose Add-in Board Video. The default value is Onboard
Video.
Power/Wake Configuration Submenu
Use this submenu to apply alternate configurations to the power and wake features of the chipset
and controller. Normally, you do not need to modify these settings, as the factory default settings
provide the most compatible and optimal configuration possible.
• DC Power Behavior—This setting specifies the power state that the controller should go
to when DC power is applied to the system. Valid values are Stay Off and Turn On. The
default is Stay Off. When set to Stay Off, the controller will go to the soft off power state
after when DC power is applied. When set to Turn On, the controller will power on when
DC power is applied.
• Power Button Off Behavior—This setting specifies how the system responds to the power
button. Valid options are Normal and Disabled. The default value is Normal. If the value
is Normal, the system responds to the power button as defined by the OS. If the value is
Disabled, pressing the power button has no effect when the system is on. When the system
is in the soft off state, pushing the power button always powers on the system.
• Ring Indicator Wake—This setting enables or disables the ability to wake a powered-off
system using the Ring Indicator pin of the RS-232 Serial Port. The default value is
Disabled. Refer to the
Controller, for more information.
cDAQ
USB Configuration Submenu
Use this submenu to apply alternate configurations to the USB ports. Normally, you do not need
to modify these settings, as the factory default settings provide the most compatible and optimal
configuration possible.
• USB Devices—This item lists the total number of devices detected in the system,
categorized by device type.
• Legacy USB Support—This setting specifies whether or not legacy USB support is
enabled. Legacy USB support refers to the ability to use a USB keyboard and mouse during
system boot or in a legacy operating system such as DOS. The default value is Disabled
when booting LabVIEW Real-Time, Enabled when booting other OSes.
• Overcurrent Reporting—This setting enables or disables OS notification of USB
overcurrent events. The default value is Disabled. Hardware overcurrent protection is
always active and cannot be disabled.
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RS-232 Serial Port
section of Chapter 1,
Getting Started with the